CollectionUtils (Instancio Core 2.12.1 API)

java.lang.Object

org.instancio.internal.util.CollectionUtils

public final class CollectionUtils extends Object

Method Summary

Modifier and Type

Method

Description

static <K, V> Map<K,V>

asLinkedHashMap(Function<V,K> keyFn, V... values)

static <T> List<T>

asList(T... values)

static <T> Set<T>

asSet(T... values)

static <T> List<T>

combine(List<T> list, T... values)

static boolean

isNullOrEmpty(@Nullable Collection<?> collection)

static boolean

isNullOrEmpty(@Nullable Map<?,?> map)

static void

shuffle(Collection<Object> collection, Random random)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- isNullOrEmpty
  
  public static boolean isNullOrEmpty(@Nullable @Nullable Collection<?> collection)
- isNullOrEmpty
  
  public static boolean isNullOrEmpty(@Nullable @Nullable Map<?,?> map)
- asList
  
  @SafeVarargs public static <T> List<T> asList(T... values)
- asSet
  
  @SafeVarargs public static <T> Set<T> asSet(T... values)
- asLinkedHashMap
  
  @SafeVarargs public static <K, V> Map<K,V> asLinkedHashMap(Function<V,K> keyFn, V... values)
- combine
  
  @SafeVarargs public static <T> List<T> combine(List<T> list, T... values)
- shuffle
  
  public static void shuffle(Collection<Object> collection, Random random)